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4- nazorat ishi. Yozma ish
1-variant
1.Masala.
Maktab ustaxonasida 54 ta kulrang karton, undan 22 ta kam oq karton bor edi. 16 dona karton ishlatilib albom tayyorlandi. Kulrang va oq kar-tondan nechta albom tayyorlangan ? 2. Hisoblang va tekshiring . 36 : 3 72 : 12 14 x 4 7 x 13 3. Amallarni bajaring. 84 : 7 + 4 8 24 : 4 – 32 : 16
4. To`g`ri to`rtburchakning yuzi 66 kv smga teng. Uning bo`yi 6 sm
bo`lsa, eni necha sm bo`ladi ?
2-variant
1.Masala.
To`pda 27 m mato bor edi. Tikuvchi 6 m matoni qirqib oldi.Qolgani-dan ko`ylak tikdi.Bitta ko`ylakka 3 m mato sarflagan bo`lsa, tikuvchi nechta ko`ylak tikkan ? Qirqib olingan matodan nechta ko`ylak chiqadi? 2. Hisoblang va tekshiring . 42 : 3 64: 16 18 x 3 23 x 4 3. Amallarni bajaring. 72 : 6 + 1 8 13 x 5 – 48 : 16
4. To`g`ri to`rtburchakning yuzi 96 kv smga teng. Uning bo`yi 8 sm
bo`lsa, eni necha sm bo`ladi ?
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